utils: Add GetRepositoryPath script, patch by Jonathan Mulder!
 - Also, fix indention in GetSourceVersion while in the area.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115048 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/GetRepositoryPath b/utils/GetRepositoryPath
new file mode 100755
index 0000000..326231c
--- /dev/null
+++ b/utils/GetRepositoryPath
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+usage() {
+  echo "usage: $0 <source root>"
+  echo "  Prints the source control repository path of the given source"
+  echo "  directory, the exact format of the revision string depends on the"
+  echo "  source control system. If the source control system isn't known,"
+  echo "  the output is empty and the exit code is 1."
+  exit 1
+}
+
+if [ $# != 1 ] || [ ! -d $1 ]; then
+  usage;
+fi
+
+cd $1
+if [ -d .svn ]; then
+  svn info | grep 'URL:' | cut -d: -f2-
+elif [ -d .git/svn ]; then
+  git svn info | grep 'URL:' | cut -d: -f2-
+elif [ -d .git ]; then
+  git remote -v | grep 'fetch' | awk '{ print $2 }'
+else
+  exit 1;
+fi
+
+exit 0